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Urea, N-(4-aminophenyl)-N'-(4-nitrophenyl)-, also known as 4-(4-nitrophenylazo)aniline or simply 4-nitro-4'-aminobiphenyl, is an organic compound with the chemical formula C12H11N3O2. It is a derivative of urea, where two phenyl rings are attached to the nitrogen atoms, with one phenyl ring containing an amino group and the other a nitro group. Urea, N-(4-aminophenyl)-N'-(4-nitrophenyl)- is often used as a chemical intermediate in the synthesis of dyes, pigments, and other organic compounds. It is also known for its use in the colorimetric determination of formaldehyde, where it forms a colored complex with formaldehyde, allowing for its quantification. Due to its potential applications and reactivity, it is important to handle Urea, N-(4-aminophenyl)-N'-(4-nitrophenyl)- with care, as it may have certain health and environmental implications.

68771-48-2

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68771-48-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68771-48-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,7,7 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 68771-48:
(7*6)+(6*8)+(5*7)+(4*7)+(3*1)+(2*4)+(1*8)=172
172 % 10 = 2
So 68771-48-2 is a valid CAS Registry Number.

68771-48-2Relevant academic research and scientific papers

Inducing hardening and healability in poly(ethylene-co-acrylic acid) via blending with complementary low molecular weight additives

Baker, Benjamin C.,German,Stevens, Gary C.,Colquhoun, Howard M.,Hayes, Wayne

, p. 41445 - 41453 (2018)

The design and synthesis of low molecular weight additives based on self-assembling nitroarylurea units, and their compatibility with poly(ethylene-co-acrylic acid) copolymers are reported. The self-assembly properties of the low molecular weight additive

Bis amide-aromatic-ureas - Highly effective hydro- and organogelator systems

Baker,Acton,Stevens,Hayes

, p. 8303 - 8311 (2015/03/05)

A series of hydro- and organo-supergelators have been synthesised via coupling of simple bis aromatic-ureas via alkyl amide linkages. These bis amide-aromatic-ureas exhibited reduced critical gelator concentrations, improved gelator stability, mechanical

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